Disable comparison in user release builds

This CL disable the comparison mechanism introduced
in previous beta releases to stop receiving log.wtf signals
from beta users.

This CL only affects logging on user release builds.

Test: 1. NetworkStatsServiceTest
      2. manual test with script
Bug: 233752318
Change-Id: I7047106b1019c29460d6633b148f501ffa62f139
Merged-In: I7047106b1019c29460d6633b148f501ffa62f139
  (cherry-picked from ag/18869740)
2 files changed